[INFO] fetching crate partial-uninit 0.1.0...
[INFO] checking partial-uninit-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate partial-uninit 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate partial-uninit 0.1.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate partial-uninit 0.1.0
[INFO] finished tweaking crates.io crate partial-uninit 0.1.0
[INFO] tweaked toml for crates.io crate partial-uninit 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd9c6a78826ca5156369ceccf66167b9bd57701720bc52035a5db9b3b0c0e4a6
[INFO] running `Command { std: "docker" "start" "-a" "cd9c6a78826ca5156369ceccf66167b9bd57701720bc52035a5db9b3b0c0e4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9c6a78826ca5156369ceccf66167b9bd57701720bc52035a5db9b3b0c0e4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9c6a78826ca5156369ceccf66167b9bd57701720bc52035a5db9b3b0c0e4a6", kill_on_drop: false }`
[INFO] [stdout] cd9c6a78826ca5156369ceccf66167b9bd57701720bc52035a5db9b3b0c0e4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52614b7df310fb1c50d8fb2959e38a82ddfec68b16420f25ca4cd0160db73cb3
[INFO] running `Command { std: "docker" "start" "-a" "52614b7df310fb1c50d8fb2959e38a82ddfec68b16420f25ca4cd0160db73cb3", kill_on_drop: false }`
[INFO] [stderr]     Checking partial-uninit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_uninit` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_uninit` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit` in the current scope
[INFO] [stdout]   --> src/lib.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |             uninit.get_mut().partial_init();
[INFO] [stdout]    |                    ^^^^^^^ method not found in `MaybeUninit<Self>`
[INFO] [stdout]    |
[INFO] [stdout] help: consider pinning the expression
[INFO] [stdout]    |
[INFO] [stdout] 12 ~             let mut pinned = std::pin::pin!(uninit);
[INFO] [stdout] 13 ~             pinned.as_mut().get_mut().partial_init();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit` in the current scope
[INFO] [stdout]   --> src/lib.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |             uninit.get_mut().partial_init();
[INFO] [stdout]    |                    ^^^^^^^ method not found in `MaybeUninit<Self>`
[INFO] [stdout]    |
[INFO] [stdout] help: consider pinning the expression
[INFO] [stdout]    |
[INFO] [stdout] 12 ~             let mut pinned = std::pin::pin!(uninit);
[INFO] [stdout] 13 ~             pinned.as_mut().get_mut().partial_init();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for struct `Box<MaybeUninit<Self>>` in the current scope
[INFO] [stdout]   --> src/lib.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |             uninit.get_mut().partial_init();
[INFO] [stdout]    |                    ^^^^^^^ method not found in `Box<MaybeUninit<Self>>`
[INFO] [stdout]    |
[INFO] [stdout] help: consider pinning the expression
[INFO] [stdout]    |
[INFO] [stdout] 20 ~             let mut pinned = std::pin::pin!(uninit);
[INFO] [stdout] 21 ~             pinned.as_mut().get_mut().partial_init();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for struct `Box<MaybeUninit<Self>>` in the current scope
[INFO] [stdout]   --> src/lib.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |             uninit.get_mut().partial_init();
[INFO] [stdout]    |                    ^^^^^^^ method not found in `Box<MaybeUninit<Self>>`
[INFO] [stdout]    |
[INFO] [stdout] help: consider pinning the expression
[INFO] [stdout]    |
[INFO] [stdout] 20 ~             let mut pinned = std::pin::pin!(uninit);
[INFO] [stdout] 21 ~             pinned.as_mut().get_mut().partial_init();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit` in the current scope
[INFO] [stdout]   --> src/lib.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |             uninit.get_mut().b = 9;
[INFO] [stdout]    |                    ^^^^^^^ method not found in `MaybeUninit<Struct>`
[INFO] [stdout]    |
[INFO] [stdout] help: consider pinning the expression with `std::pin::pin!()` and assigning that to a new binding
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             uninit.get_mut().b = 9;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `partial-uninit` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `partial-uninit` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "52614b7df310fb1c50d8fb2959e38a82ddfec68b16420f25ca4cd0160db73cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52614b7df310fb1c50d8fb2959e38a82ddfec68b16420f25ca4cd0160db73cb3", kill_on_drop: false }`
[INFO] [stdout] 52614b7df310fb1c50d8fb2959e38a82ddfec68b16420f25ca4cd0160db73cb3
